Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0KSU callsign genealogy
Currently held by ROSS, BASIL E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W0KSU's current licensee, walking backwards.
- ROSS, DAVID MKSgranted 1998-10-27cancelled 2000-02-29
Successor callsigns
Callsigns held now by people who previously held W0KSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0KSU, oldest first.
- ROSS, BASIL E KS1995-12-08 → cancelled 1998-12-05
- ROSS, DAVID M KS2020-07-28 active